<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style type="text/css">
        [v-cloak] {
          display: none;
        }
    </style>

</head>
<body>
    <div id="app">
        <div v-cloak>

            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
            <h1>{{msg}}</h1>
                        
        </div>
    </div>
</body>
<script src="https://unpkg.com/vue@2.6.14/dist/vue.min.js"></script>
<script>
    new Vue({
        el:"#app",
        data:{
            msg:"哈哈哈"
        }
    })
</script>
</html>